18142806

Names of 18142806

• Cardinal: 18142806 can be written as Eighteen million, one hundred forty-two thousand, eight hundred six.

Scientific notation

• Scientific notation: 1.8142806 × 10⁷

Factors of 18142806

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 9524

Divisors of 18142806

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 11 22 29 33 58 66 87 174 319 638 957 1914 9479 18958 28437 56874 104269 208538 274891 312807 549782 625614 824673 1649346 3023801 6047602 9071403 18142806
• Sum of all divisors σ(n): 40953600
• Sum of proper divisors (its aliquot sum) s(n): 22810794
• 18142806 is an abundant number, because the sum of its proper divisors (22810794) is greater than itself. Its abundance is 4667988

Bases of 18142806

• Binary: 1000101001101011001010110₂
• Hexadecimal: 0x114D656
• Base-36: ASV2U

Squares and roots of 18142806

• 18142806 squared (18142806²) is 329161409553636
• 18142806 cubed (18142806³) is 5971911596218164542616
• The square root of 18142806 is 4259.4372867787
• The cube root of 18142806 is 262.7653842171

Scales and comparisons

• 18,142,806 seconds is equal to 29 weeks, 6 days, 23 hours, 40 minutes, 6 seconds.
• To count from 1 to 18,142,806 would take you about forty-four weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18142806 cubic inches would be around 21.9 feet tall.

Recreational maths with 18142806

• 18142806 backwards is 60824181
• The number of decimal digits it has is: 8
• The sum of 18142806's digits is 30
• More coming soon!